How to change the order of devices, like sda and sdb?
Updated -
Issue
Originally the system has one local disk /dev/sda, then connected with a new external storage (a storage array or a fiber-channel or a SAS disk). After the system was booted up, the internal disk on the server were changed to /dev/sdb while the external disks on the fiber storage were now /dev/sda.
Environment
Red Hat Enterprise Linux All Verisons
Resolut...
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